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Decommissioning a Landing Zone
The process of cleaning up all of the resources allocated in a landing zone is referred to as decommissioning a landing zone.
If you no longer need a landing zone, you can decommission it. Once it is decommissioned, all resources in the landing zone will be cleaned up.
NOTICE:
Decommissioning a landing zone is different from manually deleting all the resources in the landing zone. Manual deletion will not allow you to set up a new landing zone.
Decommissioning does not change your data, including your existing organization data, in the following ways:
- RGC does not remove your data. It only removes parts of the landing zone that it created.
- Some resources remain, such as OBS buckets, RFS templates you created, and agencies. These resources need to be deleted manually before you set up another landing zone.
- All organizational units (OUs) and accounts of a given organization are deleted or moved.
- Resources created in IAM Identity Center during the setup of the landing zone will not be deleted.
CAUTION:
- Exercise caution when decommissioning a landing zone. Once decommissioned, the functions of the current landing zone become unavailable. However, you can re-create that landing zone.
- If you intend to decommission the current landing zone and set up a new one, it is strongly recommended that you submit a service ticket to evaluate the consequences before performing decommissioning.
When you request the decommissioning of your landing zone, RGC:
- Disables all governance policies enabled in the landing zone.
- Disables preventive governance policies by removing service control policies (SCPs).
- Deletes all resource stack sets created for the landing zone.
- Deletes records of each account factory account.
- Deletes internal records that identify the home region.
Procedure
- Log in to Huawei Cloud as the RGC administrator, and navigate to the RGC console.
- Access the Landing Zone Settings page, and click the Decommissioning tab.
- Click Decommission. The decommissioning process cannot be undone. Confirm your intent to decommission your landing zone before starting.
Figure 1 Decommissioning a landing zone
- Click OK.
Follow-Up Operations
After a landing zone is decommissioned, you need to manually delete the following resources before setting up a new landing zone:
- The core OU. If you want to create a new landing zone and use a core OU with the same name as the original landing zone, you need to manually delete the original core OU. For details, see Deleting an OU.
- IAM Identity Center configurations. If the original landing zone uses IAM Identity Center and you want to use another home region for the new landing zone, you need to reset the original IAM Identity Center. For details, see IAM Identity Center Resetting.
- The OBS bucket for storing logs. For details about how to delete an OBS bucket, see Deleting a Bucket.
- The RGCLoggingResources stack set in RFS. For details about how to delete a stack set, see Deleting a Stack Set.
- Templates you created in RFS.
- IAM agencies, including RGCAgencyForStack, RGCBlueprintExecutionAgency, RGCBlueprintStackSetAdminAgency, RGCIAMTokenAccess, and RGCAdminAgency. For details about how to delete agencies, see Deleting or Modifying Agencies.
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